diff options
| author | Daniel P. Berrange <berrange@redhat.com> | 2017-10-09 17:52:28 +0100 |
|---|---|---|
| committer | Daniel P. Berrange <berrange@redhat.com> | 2017-10-16 16:57:08 +0100 |
| commit | 6d5d23b00709510d55711661c7ca41408fd9934e (patch) | |
| tree | c417b0517d975a8635fbc4f7ffa6b15d32492d6e | |
| parent | 8dfd5f96515ca20c4eb109cb0ee28e2bb32fc505 (diff) | |
io: cope with websock 'Connection' header having multiple values
The noVNC server sends a header "Connection: keep-alive, Upgrade" which
fails our simple equality test. Split the header on ',', trim whitespace
and then check for 'upgrade' token.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
| -rw-r--r-- | io/channel-websock.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/io/channel-websock.c b/io/channel-websock.c index e82b1beab3..0354845e52 100644 --- a/io/channel-websock.c +++ b/io/channel-websock.c @@ -374,6 +374,9 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc, size_t nhdrs = G_N_ELEMENTS(hdrs); const char *protocols = NULL, *version = NULL, *key = NULL, *host = NULL, *connection = NULL, *upgrade = NULL; + char **connectionv; + bool upgraded = false; + size_t i; nhdrs = qio_channel_websock_extract_headers(ioc, buffer, hdrs, nhdrs, errp); if (!nhdrs) { @@ -440,7 +443,16 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc, goto bad_request; } - if (strcasecmp(connection, QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) != 0) { + connectionv = g_strsplit(connection, ",", 0); + for (i = 0; connectionv != NULL && connectionv[i] != NULL; i++) { + g_strstrip(connectionv[i]); + if (strcasecmp(connectionv[i], + QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) == 0) { + upgraded = true; + } + } + g_strfreev(connectionv); + if (!upgraded) { error_setg(errp, "No connection upgrade requested '%s'", connection); goto bad_request; } |